package DesignPatern.A17_门面模式.A01_基本模式;

/**
 * @Author: Du
 * @Date: 2021/8/3 11:59
 */
public class Police
{
    public void checkLetter(ILetterProcess letterProcess)
    {
        System.out.println(letterProcess + "  信封已经检查");
    }
}
